Attributes are specific properties of the widget.
Each widget contains some general attributes that are used by various widgets and specific attributes that are used on this specific widget.
Preset attributes represent attributes that are automatically configured for certain widget while User defined attributes need to be configured by user at the moment of adding the widget from toolbox to screen layout.
||Unique identifier of widget|
||Specifies width of the widget|
||Specifies height of the widget|
- any textual value after
@+id/can be added, represents unique "address" or reference when this widget has to be targeted
- widget will be just large enough to fit its internal content
- widget will stretch to be as large as the container widget (parent)